Episode 20: Why doesn't the U.S. win wars anymore? Part 1

The United States has been in Afghanistan for a decade and a half. Syria and Iraq are beset by conflict. Whatever happened to victory? Part of it is about them, part of it is about us, and part of it is what you mean by victory. Researcher Michael Davies, author of "What we need to do is admit that we are unable to win our wars," guests and explains.